Amplitude, Inc. - AMPL
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 33
Latest filed: May 19, 2026
| Form | Count |
|---|---|
| 4 | 20 |
| SCHEDULE 13G/A | 4 |
| 8-K | 3 |
| SCHEDULE 13G | 3 |
| 144 | 3 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 19, 2026 | 4 | May 15, 2026 | 0001882913-26-000004 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001883022-26-000012 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0002032390-26-000006 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0002121274-26-000004 | View |
| May 18, 2026 | SCHEDULE 13G/A | — | 0001109448-26-000165 | View |
| May 06, 2026 | 8-K | May 06, 2026 | 0001193125-26-209264 | View |
| May 06, 2026 | 4 | May 04, 2026 | 0001883022-26-000010 | View |
| Apr 28, 2026 | SCHEDULE 13G | — | 0002100121-26-000110 | View |
| Apr 22, 2026 | 4 | Apr 21, 2026 | 0001882913-26-000002 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001883022-26-000008 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0002032390-26-000004 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0002121274-26-000002 | View |
| Apr 07, 2026 | 4 | Apr 05, 2026 | 0001542687-26-000002 | View |
| Apr 07, 2026 | 4 | Apr 05, 2026 | 0001735409-26-000005 | View |
| Apr 07, 2026 | SCHEDULE 13G | — | 0000902219-26-000114 | View |
| Apr 07, 2026 | SCHEDULE 13G | — | 0000902219-26-000115 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000600 | View |
| Mar 10, 2026 | 4 | Mar 06, 2026 | 0001883022-26-000006 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001883022-26-000005 | View |
| Mar 05, 2026 | 144 | — | 0001950047-26-002274 | View |
| Feb 24, 2026 | 8-K | Feb 24, 2026 | 0001193125-26-067137 | View |
| Feb 18, 2026 | 8-K | Feb 18, 2026 | 0001193125-26-057052 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | — | 0001897612-26-000287 | View |
| Feb 17, 2026 | 4 | Feb 15, 2026 | 0002032390-26-000002 | View |
| Feb 17, 2026 | 4 | Feb 15, 2026 | 0001883022-26-000002 | View |
| Feb 17, 2026 | 4 | Feb 15, 2026 | 0001728084-26-000002 | View |
| Jan 07, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000018 | View |
| Jan 07, 2026 | 4 | Jan 05, 2026 | 0001735409-26-000003 | View |
| Dec 30, 2025 | 4 | Dec 26, 2025 | 0001882913-25-000007 | View |
| Dec 29, 2025 | 144 | — | 0001950047-25-010695 | View |
| Dec 29, 2025 | 4 | Dec 24, 2025 | 0001882913-25-000005 | View |
| Dec 17, 2025 | 4 | Dec 15, 2025 | 0001542687-25-000011 | View |
| Dec 15, 2025 | 144 | — | 0001950047-25-010304 | View |